This NE555 Delay Monostable Switch Module item is a timer switch module, based on the NE555 chip, high-performance timing CPU design. The power indicator LED and switch trigger timing indication LEDs. Timing from microseconds to long hours. Applicable to vehicle equipment-delay to prevent car igniti..
Description:The module uses genuine quality relay, normally open interfacesUsing SMD optocoupler isolation, driving ability, stable performanceThe module can be high or low by a jumper setting triggerFault-tolerant design, even if the control line is broken, the relay will not operateThe power indic..